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9c1df6951f
freebsd-skq/sys/netinet
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Robert Watson 9c1df6951f When iterating the UDP inpcb list processing an inbound broadcast 
or multicast packet, we don't need to acquire the inpcb mutex
unless we are actually using inpcb fields other than the bound port
and address.  Since we hold the pcbinfo lock already, these can't
change.  Defer acquiring the inpcb mutex until we have a high
chance of a match.  This avoids about 120 mutex operations per UDP
broadcast packet received on one of my work systems.

Reviewed by:	sam
2004-08-06 02:08:31 +00:00
..
libalias Fix Skinny and PPTP NAT'ing after the introduction of the {ip,tcp,udp}_next 2004-08-04 15:17:08 +00:00
accf_data.c add missing #include <sys/module.h> 2004-05-30 20:27:19 +00:00
accf_http.c The socket field so_state is used to hold a variety of socket related 2004-06-14 18:16:22 +00:00
icmp6.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
icmp_var.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
if_atm.c replace explicit changes to rt_refcnt by RT_ADDREF and RT_REMREF 2003-11-08 23:36:32 +00:00
if_atm.h
if_ether.c Add a new driver to support IP over firewire. This driver is intended to 2004-06-13 10:54:36 +00:00
if_ether.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
igmp_var.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
igmp.c Lock down parallel router_info list for tracking multicast IGMP 2004-06-11 03:42:37 +00:00
igmp.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
in_cksum.c Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
in_gif.c Ensure that dst is bzeroed before calling rtalloc_ign(), to avoid possible 2004-06-18 02:04:07 +00:00
in_gif.h - fix typo in comment. 2003-10-07 17:46:18 +00:00
in_pcb.c Disallow a particular kind of port theft described by the following scenario: 2004-07-28 13:03:07 +00:00
in_pcb.h Now that IPv6 performs basic in6pcb and inpcb locking, enable inpcb 2004-08-04 18:27:55 +00:00
in_proto.c Commit pf version 3.5 and link additional files to the kernel build. 2004-06-16 23:24:02 +00:00
in_rmx.c Introduce tcp_hostcache and remove the tcp specific metrics from 2003-11-20 20:07:39 +00:00
in_systm.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
in_var.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
in.c Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
in.h Prepare for pf 3.5 import: 2004-06-16 22:59:06 +00:00
ip6.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
ip_divert.c o Move all parts of the IP reassembly process into the function ip_reass() to 2004-08-03 12:31:38 +00:00
ip_divert.h Re-remove MT_TAGs. The problems with dummynet have been fixed now. 2004-02-25 19:55:29 +00:00
ip_dummynet.c Do a pass over all modules in the kernel and make them return EOPNOTSUPP 2004-07-15 08:26:07 +00:00
ip_dummynet.h Re-remove MT_TAGs. The problems with dummynet have been fixed now. 2004-02-25 19:55:29 +00:00
ip_ecn.c add ECN support in layer-3. 2003-10-29 15:07:04 +00:00
ip_ecn.h add ECN support in layer-3. 2003-10-29 15:07:04 +00:00
ip_encap.c Lock down IP-layer encapsulation library: 2004-03-10 02:48:50 +00:00
ip_encap.h
ip_fastfwd.c Those are unneeded too. 2004-06-27 09:06:10 +00:00
ip_fw2.c Extend versrcreach by checking against the rt_flags for RTF_REJECT and 2004-07-21 19:55:14 +00:00
ip_fw.h Introduce a new feature to IPFW2: lookup tables. These are useful 2004-06-09 20:10:38 +00:00
ip_gre.c Lock down global variables in if_gre: 2004-03-22 16:04:43 +00:00
ip_gre.h de-__P(). 2002-10-16 22:27:27 +00:00
ip_icmp.c Define semantic of M_SKIP_FIREWALL more precisely, i.e. also pass associated 2004-07-17 05:10:06 +00:00
ip_icmp.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
ip_id.c Tweak existing header and other build infrastructure to be able to build 2004-02-26 03:53:54 +00:00
ip_input.c o Move all parts of the IP reassembly process into the function ip_reass() to 2004-08-03 12:31:38 +00:00
ip_mroute.c Fix bug with tracking the previous element in a list. 2004-08-03 02:01:44 +00:00
ip_mroute.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
ip_output.c o Delayed checksums are now calculated in divert_packet() for diverted packets 2004-08-03 14:13:36 +00:00
ip_var.h Provide the sysctl net.inet.ip.process_options to control the processing 2004-05-06 18:46:03 +00:00
ip.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
ipprotosw.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
pim_var.h New PIM header files. 2003-08-07 18:17:43 +00:00
pim.h Include <sys/types.h> for autoconf/automake detection. 2004-03-08 07:45:32 +00:00
raw_ip.c Rename suser_cred()'s PRISON_ROOT flag to SUSER_ALLOWJAIL. This is 2004-07-26 07:24:04 +00:00
tcp_debug.c Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
tcp_debug.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
tcp_fsm.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
tcp_hostcache.c Fix a potential race when purging expired hostcache entries. 2004-04-23 13:54:28 +00:00
tcp_input.c After each label in tcp_input(), assert the inpcbinfo and inpcb lock 2004-07-12 19:28:07 +00:00
tcp_output.c Fix a bug in the sack code that was causing data to be retransmitted 2004-07-28 02:15:14 +00:00
tcp_reass.c After each label in tcp_input(), assert the inpcbinfo and inpcb lock 2004-07-12 19:28:07 +00:00
tcp_sack.c Add support for TCP Selective Acknowledgements. The work for this 2004-06-23 21:04:37 +00:00
tcp_seq.h Add support for TCP Selective Acknowledgements. The work for this 2004-06-23 21:04:37 +00:00
tcp_subr.c o Move the inflight sysctls to their own sub-tree under net.inet.tcp to be 2004-08-03 13:54:11 +00:00
tcp_syncache.c Fix the !INET6 build. 2004-07-17 21:40:14 +00:00
tcp_timer.c Add support for TCP Selective Acknowledgements. The work for this 2004-06-23 21:04:37 +00:00
tcp_timer.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
tcp_timewait.c o Move the inflight sysctls to their own sub-tree under net.inet.tcp to be 2004-08-03 13:54:11 +00:00
tcp_usrreq.c compare pointer against NULL, not 0 2004-07-26 21:29:56 +00:00
tcp_var.h The tcp syncache code was leaving the IPv6 flowlabel uninitialised 2004-07-17 19:44:13 +00:00
tcp.h Add support for TCP Selective Acknowledgements. The work for this 2004-06-23 21:04:37 +00:00
tcpip.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
udp_usrreq.c When iterating the UDP inpcb list processing an inbound broadcast 2004-08-06 02:08:31 +00:00
udp_var.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
udp.h Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00